BOSTON—The mayor of New England’s biggest city on Tuesday delivered a message to the Trump administration: Hands off. Boston has been a focus of the White House’s illegal-immigration crackdown. The Justice Department this month included the blue city on a revised list of so-called sanctuary jurisdictions it says aren’t providing sufficient

Wu blasted a letter from US Attorney General Pam Bondi renewing the Trump administration’s demand that Boston end policies the president views as impeding federal immigration enforcement efforts.